Practice is available in both Dewey Decimal Numbers and Library of Congress Classification. ShelveIt was developed at the Kreitzberg Library of Norwich University by Stuart Kohler . Version 1.1 contains minor data corrections and a 'Congratulations' card after correctly sorting five sets of HyperBooks in a row. This stack is released as shareware - if you think it will be of use to your library, please make a modest donation to FONUL, Friends of the Norwich University Library. We suggest a sliding scale of between $10 and $25. Donations may be mailed to: FONUL Kreitzberg Library Norwich University Northfield, VT 05663